Quantum vacuum amplification in time-varying media with arbitrary temporal profiles

Date

2024-12-26

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Publisher

American Physical Society
Acceso abierto / Sarbide irekia
Artículo / Artikulua
Versión publicada / Argitaratu den bertsioa

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Abstract

In this work we address quantum vacuum amplification effects in time-varying media with an arbitrary time-modulation profile. To this end, we propose a theoretical formalism based on the concept of conjugated harmonic oscillators, evaluating the impact on the transition time in temporal boundaries, shedding light into the practical requirements to observe quantum effects at them. In addition, we find nontrivial effects in pulsed modulations, where the swiftest and strongest modulation does not lead to the highest photon production. Thus, our results provide key insights for the design of temporal modulation sequences to enhance quantum phenomena.

Description

Keywords

Metamaterials, Nanophotonics, Quantum optics

Department

Ingeniería Eléctrica, Electrónica y de Comunicación / Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza / Institute of Smart Cities - ISC

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item.page.cita

Ganfornina-Andrades, A., Vázquez-Lozano J. E., Liberal I. (2024) Quantum vacuum amplification in time-varying media with arbitrary temporal profiles. Physical Review Research, 6(4), 1-6. https://doi.org/10.1103/PhysRevResearch.6.043320.

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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.

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